RANKING ·
Largest net interest margin improvement in District of Columbia
11 of 28 credit unions in District of Columbia that filed for the quarter ended June 30, 2026 are ranked. At least $100 million in total assets and a comparable quarter a year earlier. Institutions with equal values share a rank. Source: NCUA Call Report data.
| Rank | Institution | Headquarters | Net interest margin, change over 12 months | Total assets |
|---|---|---|---|---|
| 1 | Bank Fund Staff Federal Credit Union | Washington, DC | +31 bps | $7.1 billion |
| 2 | F R B Federal Credit Union | Washington, DC | +27 bps | $123 million |
| 3 | Department of Commerce Federal Credit Union | Washington, DC | +27 bps | $739 million |
| 4 | Department of the Interior Federal Credit Union | Washington, DC | +27 bps | $268 million |
| 5 | O.A.S. Staff Federal Credit Union | Washington, DC | +26 bps | $282 million |
| 6 | Library of Congress Federal Credit Union | Washington, DC | +24 bps | $338 million |
| 7 | Advantage Financial Federal Credit Union | Washington, DC | +18 bps | $103 million |
| 8 | Idb Global Federal Credit Union | Washington, DC | +14 bps | $842 million |
| 9 | Wright Patman Congressional Federal Credit Union | Washington, DC | +10 bps | $1.3 billion |
| 10 | Dept of Labor Federal Credit Union | Washington, DC | +7 bps | $138 million |
| 11 | Treasury Department Federal Credit Union | Washington, DC | -2 bps | $177 million |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings